The Screw Assembly,panel, cataloged under National Stock Number 5305-01-415-5181, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-415-5181 |
| Primary Part Number | CA28080-4-10S |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Head Height | 0.222 INCHES NOMINAL IN |
| Fastener Length | 1.403 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.255 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A555 ASSN STD 2ND MATERIAL RESPONSE OR ASTMA581 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 4TH MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | ASTM A313 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5678 ASSN STD 2ND MATERIAL RESPONSE SPRING |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5640 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A555 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A581 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 5TH MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | STEEL CORROSION RESISTING STAND-OFF |
| Thread Series Designator | UNF |
| Head Diameter | 0.400 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CA28080-4-10S PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| FTK7015S-4-10 PRIMARY | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| C3186-4S10 | 7/2 Vendor item drawing reference U.S. Government activity |
| AVL229-4S-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-415-5181 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-415-5181 has 2 manufacturer part numbers on file: CA28080-4-10S (Howmet Global Fastening Systems Inc. Div Tridair Products), FTK7015S-4-10 (Fastener Technology Corp).
Key specifications for CA28080-4-10S: Head Height: 0.222 INCHES NOMINAL IN; Fastener Length: 1.403 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.255 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.